[cello-devel] scroller

[Kenny Tilton]

Hmm, I did such a good job that I should make clear: no, you are not 
looking at Mac OS X. That is all Cello. On win32, in fact.

kt

Kenny Tilton wrote:

> Check it out:
>
>   ftp://common-lisp.net/pub/project/cello/screenshots/scroller.jpg
>
> Do I know how to make friends, or what?
>
> Mind you, the surrounding skin is a pane in which the scroller is 
> embedded, so you are actually looking at a precursor to my next 
> project, the "file open" dialog. but if you look closely you'll see 
> the scroller inherits its skin from that pane.
>
> Really, anything cosmetic in Cello is easily overridden, tho scrollers 
> are tricky because they are deep things to parameterize: the thumb 
> parts are children of the slider, in turn a child of the scroll bar 
> which is a child of the scroller.
>
> What you cannot see is that it all works pretty well. That scroller is 
> specified as Resizeable, so you can so so and watch the scroll thumbs 
> change size on the fly. clicking above or below the thumb now 
> correctlt moves just a page. oops, which reminds me, I have to 
> implement the feature which says that holding after the click makes 
> the scroller scroll by pages until the mouse is released, albeit after 
> waiting double-click time. this should be easy since I had it working 
> nicely for the stepper arrows until god-knows-what-I-did ... just 
> noticed that stopped working at some point.
>
> yours truly now knows much more than he did a couple of weeks ago 
> about OpenGL. The scroller was about three days work, and I have been 
> working furiously the whole time (with breaks for cll, speaking of 
> which, how am I gonna break that screen shot to my buddies on the 
> McClim team? <g>)
>
> kt
>
>
>

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